;;; Compiled by f2cl version:
;;; ("$Id: f2cl1.l,v 1.209 2008/09/11 14:59:55 rtoy Exp $"
;;;  "$Id: f2cl2.l,v 1.37 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl3.l,v 1.6 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl4.l,v 1.7 2008/02/22 22:19:34 rtoy Rel $"
;;;  "$Id: f2cl5.l,v 1.197 2008/09/11 15:03:25 rtoy Exp $"
;;;  "$Id: f2cl6.l,v 1.48 2008/08/24 00:56:27 rtoy Exp $"
;;;  "$Id: macros.l,v 1.106 2008/09/15 15:27:36 rtoy Exp $")

;;; Using Lisp International Allegro CL Enterprise Edition 8.1 [64-bit Linux (x86-64)] (Oct 7, 2008 17:13)
;;;
;;; Options: ((:prune-labels nil) (:auto-save t)
;;;           (:relaxed-array-decls t) (:coerce-assigns :as-needed)
;;;           (:array-type ':array) (:array-slicing t)
;;;           (:declare-common nil) (:float-format double-float))

(in-package :clml.lapack)


(let* ((one 1.0))
  (declare (type (double-float 1.0 1.0) one) (ignorable one))
  (defun dgebrd (m n a lda d e tauq taup work lwork info)
    (declare (type (array double-float (*)) work taup tauq e d a)
     (type (f2cl-lib:integer4) info lwork lda n m))
    (f2cl-lib:with-multi-array-data ((a double-float a-%data%
                                      a-%offset%)
                                     (d double-float d-%data%
                                      d-%offset%)
                                     (e double-float e-%data%
                                      e-%offset%)
                                     (tauq double-float tauq-%data%
                                      tauq-%offset%)
                                     (taup double-float taup-%data%
                                      taup-%offset%)
                                     (work double-float work-%data%
                                      work-%offset%))
      (prog ((ws 0.0) (i 0) (iinfo 0) (j 0) (ldwrkx 0) (ldwrky 0)
             (lwkopt 0) (minmn 0) (nb 0) (nbmin 0) (nx 0) (lquery nil))
            (declare (type (double-float) ws)
             (type f2cl-lib:logical lquery)
             (type (f2cl-lib:integer4) i iinfo j ldwrkx ldwrky lwkopt
              minmn nb nbmin nx))
            (setf info 0)
            (setf nb
                  (max (the f2cl-lib:integer4 1)
                       (the f2cl-lib:integer4
                            (ilaenv 1 "DGEBRD" " " m n -1 -1))))
            (setf lwkopt (f2cl-lib:int-mul (f2cl-lib:int-add m n) nb))
            (setf (f2cl-lib:fref work-%data% (1) ((1 *)) work-%offset%)
                  (f2cl-lib:dble lwkopt))
            (setf lquery (coerce (= lwork -1) 'f2cl-lib:logical))
            (cond ((< m 0) (setf info -1))
                  ((< n 0) (setf info -2))
                  ((< lda
                      (max (the f2cl-lib:integer4 1)
                           (the f2cl-lib:integer4 m)))
                   (setf info -4))
                  ((and (< lwork
                           (max (the f2cl-lib:integer4 1)
                                (the f2cl-lib:integer4 m)
                                (the f2cl-lib:integer4 n)))
                        (not lquery))
                   (setf info -10)))
            (cond ((< info 0)
                   (xerbla "DGEBRD" (f2cl-lib:int-sub info))
                   (go end_label))
                  (lquery (go end_label)))
            (setf minmn
                  (min (the f2cl-lib:integer4 m)
                       (the f2cl-lib:integer4 n)))
            (cond ((= minmn 0)
                   (setf (f2cl-lib:fref work-%data% (1) ((1 *))
                                        work-%offset%)
                         (coerce (the f2cl-lib:integer4 1)
                                 'double-float))
                   (go end_label)))
            (setf ws
                  (coerce (the f2cl-lib:integer4
                               (max (the f2cl-lib:integer4 m)
                                    (the f2cl-lib:integer4 n)))
                          'double-float))
            (setf ldwrkx m)
            (setf ldwrky n)
            (cond ((and (> nb 1) (< nb minmn))
                   (setf nx
                         (max (the f2cl-lib:integer4 nb)
                              (the f2cl-lib:integer4
                                   (ilaenv 3 "DGEBRD" " " m n -1 -1))))
                   (cond ((< nx minmn)
                          (setf ws
                                (coerce (the f2cl-lib:integer4
                                             (f2cl-lib:int-mul (f2cl-lib:int-add m
                                                                                 n)
                                                               nb))
                                        'double-float))
                          (cond ((< lwork ws)
                                 (setf nbmin
                                       (ilaenv 2 "DGEBRD" " " m n -1
                                        -1))
                                 (cond ((>= lwork
                                            (f2cl-lib:int-mul (f2cl-lib:int-add m
                                                                                n)
                                                              nbmin))
                                        (setf nb
                                              (the f2cl-lib:integer4
                                                   (truncate lwork
                                                             (+ m
                                                                n)))))
                                       (t
                                        (setf nb 1)
                                        (setf nx minmn))))))))
                  (t (setf nx minmn)))
            (f2cl-lib:fdo (i 1 (f2cl-lib:int-add i nb))
                          ((> i
                              (f2cl-lib:int-add minmn
                                                (f2cl-lib:int-sub nx)))
                           nil)
                          (tagbody
                              (dlabrd
                               (f2cl-lib:int-add (f2cl-lib:int-sub m i)
                                                 1)
                               (f2cl-lib:int-add (f2cl-lib:int-sub n i)
                                                 1)
                               nb
                               (f2cl-lib:array-slice a double-float
                                                     (i i)
                                                     ((1 lda) (1 *)))
                               lda
                               (f2cl-lib:array-slice d double-float (i)
                                                     ((1 *)))
                               (f2cl-lib:array-slice e double-float (i)
                                                     ((1 *)))
                               (f2cl-lib:array-slice tauq double-float
                                                     (i) ((1 *)))
                               (f2cl-lib:array-slice taup double-float
                                                     (i) ((1 *)))
                               work ldwrkx
                               (f2cl-lib:array-slice work double-float
                                                     ((+ (f2cl-lib:int-mul ldwrkx
                                                                           nb)
                                                         1))
                                                     ((1 *)))
                               ldwrky)
                              (dgemm "No transpose" "Transpose"
                               (f2cl-lib:int-add (f2cl-lib:int-sub m i
                                                                   nb)
                                                 1)
                               (f2cl-lib:int-add (f2cl-lib:int-sub n i
                                                                   nb)
                                                 1)
                               nb (- one)
                               (f2cl-lib:array-slice a double-float
                                                     ((+ i nb) i)
                                                     ((1 lda) (1 *)))
                               lda
                               (f2cl-lib:array-slice work double-float
                                                     ((+ (f2cl-lib:int-mul ldwrkx
                                                                           nb)
                                                         nb 1))
                                                     ((1 *)))
                               ldwrky one
                               (f2cl-lib:array-slice a double-float
                                                     ((+ i nb)
                                                      (f2cl-lib:int-add i
                                                                        nb))
                                                     ((1 lda) (1 *)))
                               lda)
                              (dgemm "No transpose" "No transpose"
                               (f2cl-lib:int-add (f2cl-lib:int-sub m i
                                                                   nb)
                                                 1)
                               (f2cl-lib:int-add (f2cl-lib:int-sub n i
                                                                   nb)
                                                 1)
                               nb (- one)
                               (f2cl-lib:array-slice work double-float
                                                     ((+ nb 1))
                                                     ((1 *)))
                               ldwrkx
                               (f2cl-lib:array-slice a double-float
                                                     (i
                                                      (f2cl-lib:int-add i
                                                                        nb))
                                                     ((1 lda) (1 *)))
                               lda one
                               (f2cl-lib:array-slice a double-float
                                                     ((+ i nb)
                                                      (f2cl-lib:int-add i
                                                                        nb))
                                                     ((1 lda) (1 *)))
                               lda)
                              (cond ((>= m n)
                                     (f2cl-lib:fdo (j i
                                                    (f2cl-lib:int-add j
                                                                      1))
                                                   ((> j
                                                       (f2cl-lib:int-add i
                                                                         nb
                                                                         (f2cl-lib:int-sub 1)))
                                                    nil)
                                                   (tagbody
                                                       (setf (f2cl-lib:fref a-%data%
                                                                            (j
                                                                             j)
                                                                            ((1
                                                                              lda)
                                                                             (1
                                                                              *))
                                                                            a-%offset%)
                                                             (f2cl-lib:fref d-%data%
                                                                            (j)
                                                                            ((1
                                                                              *))
                                                                            d-%offset%))
                                                       (setf (f2cl-lib:fref a-%data%
                                                                            (j
                                                                             (f2cl-lib:int-add j
                                                                                               1))
                                                                            ((1
                                                                              lda)
                                                                             (1
                                                                              *))
                                                                            a-%offset%)
                                                             (f2cl-lib:fref e-%data%
                                                                            (j)
                                                                            ((1
                                                                              *))
                                                                            e-%offset%))
                                                     label10)))
                                    (t
                                     (f2cl-lib:fdo (j i
                                                    (f2cl-lib:int-add j
                                                                      1))
                                                   ((> j
                                                       (f2cl-lib:int-add i
                                                                         nb
                                                                         (f2cl-lib:int-sub 1)))
                                                    nil)
                                                   (tagbody
                                                       (setf (f2cl-lib:fref a-%data%
                                                                            (j
                                                                             j)
                                                                            ((1
                                                                              lda)
                                                                             (1
                                                                              *))
                                                                            a-%offset%)
                                                             (f2cl-lib:fref d-%data%
                                                                            (j)
                                                                            ((1
                                                                              *))
                                                                            d-%offset%))
                                                       (setf (f2cl-lib:fref a-%data%
                                                                            ((f2cl-lib:int-add j
                                                                                               1)
                                                                             j)
                                                                            ((1
                                                                              lda)
                                                                             (1
                                                                              *))
                                                                            a-%offset%)
                                                             (f2cl-lib:fref e-%data%
                                                                            (j)
                                                                            ((1
                                                                              *))
                                                                            e-%offset%))
                                                     label20))))
                            label30))
            (multiple-value-bind (var-0 var-1 var-2 var-3 var-4 var-5
                                  var-6 var-7 var-8 var-9)
                (dgebd2 (f2cl-lib:int-add (f2cl-lib:int-sub m i) 1)
                 (f2cl-lib:int-add (f2cl-lib:int-sub n i) 1)
                 (f2cl-lib:array-slice a double-float (i i)
                                       ((1 lda) (1 *)))
                 lda (f2cl-lib:array-slice d double-float (i) ((1 *)))
                 (f2cl-lib:array-slice e double-float (i) ((1 *)))
                 (f2cl-lib:array-slice tauq double-float (i) ((1 *)))
                 (f2cl-lib:array-slice taup double-float (i) ((1 *)))
                 work iinfo)
              (declare
               (ignore var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                var-8))
              (setf iinfo var-9))
            (setf (f2cl-lib:fref work-%data% (1) ((1 *)) work-%offset%)
                  ws)
            (go end_label)
       end_label (return (values nil nil nil nil nil nil nil nil nil
                                 nil info))))))

(in-package #-gcl #:cl-user #+gcl "CL-USER")
#+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
(eval-when (:load-toplevel :compile-toplevel :execute)
  (setf (gethash 'fortran-to-lisp::dgebrd
                 fortran-to-lisp::*f2cl-function-info*)
        (fortran-to-lisp::make-f2cl-finfo :arg-types '((fortran-to-lisp::integer4)
                                                       (fortran-to-lisp::integer4)
                                                       (array
                                                        double-float
                                                        (*))
                                                       (fortran-to-lisp::integer4)
                                                       (array
                                                        double-float
                                                        (*))
                                                       (array
                                                        double-float
                                                        (*))
                                                       (array
                                                        double-float
                                                        (*))
                                                       (array
                                                        double-float
                                                        (*))
                                                       (array
                                                        double-float
                                                        (*))
                                                       (fortran-to-lisp::integer4)
                                                       (fortran-to-lisp::integer4))
          :return-values '(nil nil nil nil nil nil nil nil nil nil
                           fortran-to-lisp::info)
          :calls '(fortran-to-lisp::dgebd2 fortran-to-lisp::dgemm
                   fortran-to-lisp::dlabrd fortran-to-lisp::xerbla
                   fortran-to-lisp::ilaenv))))

